                                   :engine session-id
                                   :status "ok"
                                   :started (now)} session-id signer (:idents message))
-
             ;; Send stdout
             (send-message iopub-socket "pyout"
                           {:execution_count @execution-count

                           :metadata {}
                           }
                          parent-header {} session-id signer))

          (catch Exception e
            ;; Send error on iopub socket
            (send-message iopub-socket "error"

                           :metadata {}
                           }
                          parent-header {} session-id signer)
            ;; Send results
            (send-message iopub-socket "execute_result"
                          {:execution_count @execution-count
